21000000606

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269230777}}^1$

素因数の和:269230795

約数の個数: 16

約数和(自身を含む): 45230770704

約数和(自身を除く): 24230770098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269230777, 538461554, 807692331, 1615384662, 3500000101, 7000000202, 10500000303, 21000000606]

約数ペア:

[(1, 21000000606), (2, 10500000303), (3, 7000000202), (6, 3500000101), (13, 1615384662), (26, 807692331), (39, 538461554), (78, 269230777)]